Not exactly the same, but it was worth a try.
She hadn't really thought he would agree to stay in the car, but it had been worth a try.
I might not get much response, but it was worth a try.
But we've got two dead women who thought it was worth a try.
He hadn't really expected them to be, but it was worth a try.
She hadn't expected them to, but anything was worth a try.
I didn't really think she'd be here, but had decided it was worth a try.
Anything was worth a try, when you had nothing left to lose.
She'd thought of it as a long shot but worth a try.
But until we see them, this one is worth a try.